Home / 137,744.84-190,073.30-77,322.13

Finding the Fourth Proportional to 137,744.84, 190,073.30 and 77,322.13

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Solution

The fourth proportional to 137,744.84, 190,073.30 and 77,322.13 is: 106,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,744.84 : 190,073.30 = 77,322.13 : x
  2. Step 2: Convert to fraction form
    137,744.84/190,073.30 = 77,322.13/x
  3. Step 3: Cross multiply
    137,744.84x = 190,073.30 × 77,322.13
  4. Step 4: Simplify right side
    137,744.84x = 14,696,871,550.34
  5. Step 5: Solve for x
    x = 14,696,871,550.34/137,744.84
  6. Step 6: Final answer
    x = 106,696.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.